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 * Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
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 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
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 *
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package org.openjdk.jmh.it.threadparams;

import org.junit.Assert;
import org.junit.Test;
import org.openjdk.jmh.annotations.*;
import org.openjdk.jmh.infra.ThreadParams;
import org.openjdk.jmh.it.Fixtures;
import org.openjdk.jmh.runner.Runner;
import org.openjdk.jmh.runner.RunnerException;
import org.openjdk.jmh.runner.options.Options;
import org.openjdk.jmh.runner.options.OptionsBuilder;

import java.util.concurrent.TimeUnit;

@BenchmarkMode(Mode.All)
@Warmup(iterations = 5,  time = 100, timeUnit = TimeUnit.MILLISECONDS)
@Measurement(iterations = 5, time = 100, timeUnit = TimeUnit.MILLISECONDS)
@Fork(1)
public class GroupThreadParamsStabilityTest {

    @State(Scope.Thread)
    public static class Data {
        ThreadParams last;

        void test(ThreadParams params) {
            if (last == null) {
                last = params;
            } else {
                // simple equality suffices
                Assert.assertEquals(last, params);
            }
        }
    }

    @Group("T")
    @Benchmark
    public void test1(ThreadParams tp, Data d) {
        d.test(tp);
    }

    @Group("T")
    @Benchmark
    public void test2(ThreadParams tp, Data d) {
        d.test(tp);
    }

    @Test
    public void test() throws RunnerException {
        for (int c = 0; c < Fixtures.repetitionCount(); c++) {
            Options opt = new OptionsBuilder()
                    .include(Fixtures.getTestMask(this.getClass()))
                    .shouldFailOnError(true)
                    .build();
            new Runner(opt).run();
        }
    }

}
